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Obstacle Race Calendar near Rancho Cucamonga 2025-2026

Explore the top obstacle runs near Rancho Cucamonga for 2025-2026! We've gathered 46 exciting races in the area. Check out our detailed list below to find your next local race.

May 2026
May
23-24
Sa - Su

Nanny Goat

Trail Run 6 hr 12 hr 100 mi 24 hr
June 2026
Jun
20
Saturday

Jade's Furry Friends 5K

5 km
July 2026
Jul
18
Saturday

Harding Hustle

Trail Run 15 km 30 km 50 km
October 2026
Oct
3
Saturday

Angeles Crest 100 Mile Endurance Run

Trail Run 100 mi
November 2026
Nov
7
Saturday

Saddleback Marathon

Trail Run 10 km Half Marathon Marathon
Nov
26
Thursday

Plymouth Rock n Run

5 km 10 km
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